The city was founded with the Punic name tʿynt (Punic: 𐤕𐤏𐤉𐤍𐤕),[2][3] similar to Semitic transcriptions of Tayinat in Turkey. Head also transcribes it as Thainath.[3] The Punic name was transcribed into Greek as Thaína (Θαίνα)[4] and Thenae (Θεναί),[5] and into Latin variously as Thenae, Thaena, and Thaenae. Strabo called the town Thena (ἡ Θένα)[6] and Ptolemy called it both Thaina (Θαίνα)[4] and Theaenae (Θέαιναι).[7] At a later period it became a Roman colony with the name of Aelia Augusta Mercurialis.[8]
Thenae was the seat of a Christianbishopric during late antiquity. According to a life of StFulgentius, a council was held at Thenae (Latin: Thenitanum Concilium). There are six documented bishops of the ancient diocese: